<!DOCTYPE HTML>
<html>
<head>
    <meta charset="utf-8">
    <title>菜鸟教程</title>
    <style type="text/css">
        #div1 {
                width:350px;
                height:70px;
                padding:10px;
                border:1px solid #aaaaaa;}
    </style>
    <script>
        function allowDrop(ev){
            ev.preventDefault();
        }

        function drag(ev){
            ev.dataTransfer.setData("Text",ev.target.id);
        }

        function drop(ev){
            ev.preventDefault();
            var data=ev.dataTransfer.getData("Text");
            ev.target.appendChild(document.getElementById(data));
        }
    </script>
</head>
<body>
<p>拖动 W3CSchool.cc 图片到矩形框中:</p>
<div id="div1" ondrop="drop(event)" ondragover="allowDrop(event)"></div>
<br>
<img id="drag1" src="logo.jpg" draggable="true" ondragstart="drag(event)" width="336" height="69">
<!--为了使元素可拖动，把 draggable 属性设置为 true
拖动什么 drag,放到哪里 drop
-->
</body>
</html>